backtrace\backtrace.dsp .........\backtrace.dsw .........\backtrace.ncb .........\backtrace.opt .........\backtrace.plg .........\Debug\backtrace.exe .........\.....\backtrace.ilk .........\.....\backtrace.pch .........\.....\backtrace.pdb .........\.....\ShuDu.obj .........\.....\vc60.idb .........\.....\vc60.pdb .........\ShuDu.cpp .........\Debug backtrace